/**
 * A message of unknown type.
 */
export interface UnknownMessage {
    [k: string]: UnknownScalar | UnknownEnum | UnknownMessage | UnknownOneofGroup | UnknownMap | UnknownScalar[] | UnknownMessage[] | UnknownEnum[] | undefined;
}
/**
 * A map field of unknown type.
 */
export declare type UnknownMap<T = UnknownMessage | UnknownScalar | UnknownEnum> = {
    [key: string]: T;
};
/**
 * A scalar field of unknown type.
 */
export declare type UnknownScalar = string | number | bigint | boolean | Uint8Array;
/**
 * A enum field of unknown type.
 */
export declare type UnknownEnum = number;
/**
 * A unknown oneof group. See `isOneofGroup()` for details.
 */
export declare type UnknownOneofGroup = {
    oneofKind: undefined | string;
    [k: string]: UnknownScalar | UnknownEnum | UnknownMessage | undefined;
};